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प्रश्न
Find the slope of a line passing through the point A (-2,1), B (0,3).
उत्तर
`"Slope of a line passing through 2 points "(x_1, "y"_1) " and "(x_1,"y"_1)=(("y"_2-"y"_1)/(x_2-x_1))`
`"Slope of a line passing through 2 points (-2, 1) and (0, 3)"=((3-1)/(0+2))=2/2=1`
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